Alexander Perepilichnyy collapsed with green liquid coming from his mouthPA

A Russian whistleblower whose death while jogging led to theories that he was killed in a Kremlin hit died of natural causes, a coroner ruled yesterday.

The collapse of Alexander Perepilichnyy, 44, was followed by six years of speculation that he was poisoned to stop him disclosing secrets about a fraud involving the Russian authorities.

Nicholas Hilliard, QC, the coroner, said that it was most likely that the businessman died of natural causes through sudden arrhythmic death syndrome (Sads), which kills 800 to 1,500 people in Britain each year.

However, after the coroner identified lost chances in the police investigation, Bill Browder, an anti-Kremlin campaigner whom Mr Perepilichnyy helped to expose alleged fraud, accused the police of failing to collect evidence. He said: “The judge…

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